Book Image

Android 3.0 Application Development Cookbook

By : Kyle Merrifield Mew
Book Image

Android 3.0 Application Development Cookbook

By: Kyle Merrifield Mew

Overview of this book

<p>Android is a mobile operating system that runs on a staggering number of smartphones and tablets. Android offers developers the ability to build extremely rich and innovative applications written using the Java programming language. Among the number of books that have been published on the topic, what&rsquo;s missing is a thoroughly practical, hands-on book that takes you straight to getting your job done without boring you with too much theory.<br /><br />Android 3.0 Application Development Cookbook will take you straight to the information you need to get your applications up and running. This book is written to provide you with the shortest possible route between an idea and a working application. <br /><br />Work through the book from start to finish to become an Android expert, or use it as a reference book by applying recipes directly to your project.<br /><br />This book covers every aspect of mobile app development, starting with major application components and screen layout and design, before moving on to how to manage sensors such as internal gyroscopes and near field communications. Towards the end, it delves into smartphone multimedia capabilities as well as graphics and animation, web access, and GPS. <br /><br />Whether you are writing your first app or your hundredth, this is a book that you will come back to time and time again, with its many tips and tricks on the rich features of Android 3.</p>
Table of Contents (18 chapters)
Android 3.0 Application Development Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Introduction


Android offers a variety of tools that allow us to produce graphic images and animations. From simple color and shape control and transitional animations to full blown 3D rendering, this wide range of functionality means that we can produce graphics that best suit the needs of our applications and the demands of our target devices.

Android has a powerful 2D graphics library and unless an application requires fast, responsive animations, it is well worth first considering the android.graphics.drawable and the android.view.animation packages.

Generally speaking, when dealing with the android.graphics.drawable package we use the abstract class Drawable, or rather we use extensions of it such as BitmapDrawable, AnimationDrawable, or ShapeDrawable.

The simplest way to produce 2D graphics is to draw them directly onto a view (generally an ImageView). This way, the system's view hierarchy takes care of displaying our graphics.

For greater control, Android provides the BitmapFactory class...